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Azomethine Ylides-Versatile Synthons for Pyrrolidinyl-Heterocyclic Compounds. Molecules 2023; 28:molecules28020668. [PMID: 36677727 PMCID: PMC9866015 DOI: 10.3390/molecules28020668] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Azomethine ylides are nitrogen-based three-atom components commonly used in [3+2]-cycloaddition reactions with various unsaturated 2π-electron components. These reactions are highly regio- and stereoselective and have attracted the attention of organic chemists with respect to the construction of diverse heterocycles potentially bearing four new contiguous stereogenic centers. This review article complies the most important [3+2]-cycloaddition reactions of azomethine ylides with various olefinic, unsaturated 2π-electron components (acyclic, alicyclic, heterocyclic, and exocyclic ones) reported over the past two decades.
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2
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Plumet J. 1,3-Dipolar Cycloaddition Reactions of Nitrile Oxides under "Non-Conventional" Conditions: Green Solvents, Irradiation, and Continuous Flow. Chempluschem 2021; 85:2252-2271. [PMID: 33044044 DOI: 10.1002/cplu.202000448] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/11/2020] [Indexed: 01/15/2023]
Abstract
The 1,3-dipolar cycloaddition reactions (DCs) of nitrile oxides (NOs) to alkenes and alkynes are useful methods for the synthesis of 2-isoxazolines and isoxazoles respectively, which are important classes of heterocyclic compounds in organic and medicinal chemistry. Most of these reactions are carried out in organic solvents and under thermal activation. Nevertheless the use of supercritical carbon dioxide (scCO2 ) and ionic liquids (Ils) as alternative solvents and the application of microwave (MW) and ultrasound (US) as alternative activation procedures have evident advantages from the "Green Chemistry" point of view. The critical discussion on the applications of these "unconventional" activation methods and reaction conditions in the 1,3-DCs of NOs is the objective of the present Review.
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Affiliation(s)
- Joaquín Plumet
- Department of Organic Chemistry. Faculty of Chemistry, Complutense University of Madrid, Ciudad Universitaria, 28040, Madrid, Spain
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3
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Ranu BC, Ghosh T, Adak L. Recent Progress on Carbon-chalcogen Bond Formation Reaction Under Microwave Irradiation. CURRENT MICROWAVE CHEMISTRY 2020. [DOI: 10.2174/2213335607666200214130544] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The carbon-chalcogen bond formation is of much importance as organochalcogenides scaffold,
and in general, it shows by organochalcogenide scaffolds, in general, show promising biological
activities and many compounds containing chalcogenide units are currently used as drugs, agrochemicals
and useful materials. Thus, a plethora of methods has been developed for the formation of carbonchalcogen
bonds. This review covers the recent developments on the formation of carbon-chalcogen
bonds under microwave irradiation and synthesis of useful chalcogenides by employing this process.
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Affiliation(s)
- Brindaban C. Ranu
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata-700032, India
| | - Tubai Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata-700032, India
| | - Laksmikanta Adak
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
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Benzoxepinones: A new isoform-selective class of tumor associated carbonic anhydrase inhibitors. Bioorg Med Chem 2020; 28:115496. [PMID: 32327349 DOI: 10.1016/j.bmc.2020.115496] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/31/2020] [Accepted: 04/05/2020] [Indexed: 12/18/2022]
Abstract
Benzoxepinones ("homocoumarins") are identified as a new class of selective inhibitors for tumor associated human carbonic anhydrases (hCA, EC 4.2.1.1) isoforms IX and XII. Similar to coumarins, they do not inhibit or poorly inhibit cytosolic human (h) isoforms hCA I and II, but act as nanomolar inhibitors of the trans-membrane, tumor associated isoforms hCA IX and XII.
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5
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Cots E, Flores A, Romero RM, Muñiz K. A Practical Aryliodine(I/III) Catalysis for the Vicinal Diamination of Styrenes. CHEMSUSCHEM 2019; 12:3028-3031. [PMID: 30803150 DOI: 10.1002/cssc.201900360] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 02/22/2019] [Indexed: 06/09/2023]
Abstract
2,6-Disubstituted iodoarenes bearing amide-functionalized side arms are reported as new structures in redox-active iodine(I/III) catalysis. In combination with bis-sulfonimides as nitrogen sources and 3-chloroperbenzoic acid (mCPBA) as benign terminal oxidant they catalyze the vicinal diamination of styrenes. The obtained reactivity and selectivity outperform other iodoarene catalyst candidates. This protocol provides a sustainable alternative to previous related protocols for diamination that are based on stoichiometric iodine(III) reagents.
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Affiliation(s)
- Eric Cots
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Andrea Flores
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - R Martín Romero
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Kilian Muñiz
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
- ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain
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6
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Klose J, Severin T, Hahn P, Jeremies A, Bergmann J, Fuhrmann D, Griebel J, Abel B, Kersting B. Coordination chemistry and photoswitching of dinuclear macrocyclic cadmium-, nickel-, and zinc complexes containing azobenzene carboxylato co-ligands. Beilstein J Org Chem 2019; 15:840-851. [PMID: 31019576 PMCID: PMC6466696 DOI: 10.3762/bjoc.15.81] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/15/2019] [Indexed: 11/23/2022] Open
Abstract
The synthesis of mixed-ligand complexes of the type [M2L(μ-L')]+, where L represents a 24-membered macrocyclic hexaaza-dithiophenolate ligand, L' is an azobenzene carboxylate co-ligand, and M = Cd(II), Ni(II) or Zn(II), is reported. A series of new complexes were synthesized, namely [M2L(μ-L')]+ (L' = azo-H, M = Cd (1), Ni (2); L' = azo-OH, M = Zn (3), Ni (4); L' = azo-NMe2, M = Zn (5), Cd (6), Ni (7); L' = azo-CO2Me, M = Cd (8), Ni (9)), and characterized by elemental analysis, electrospray ionization mass spectrometry (ESIMS), IR, UV-vis and NMR spectroscopy (for diamagnetic Zn and Cd complexes) and X-ray single crystal structure analysis. The crystal structures of 3' and 5-8 display an isostructural series of compounds with bridging azobenzene carboxylates in the trans form. The paramagnetic Ni complexes 2, 4 and 7 reveal a weak ferromagnetic exchange interaction with magnetic exchange coupling constant values between 21 and 23 cm-1 (H = -2JS1S2). Irradiation of 1 with λ = 365 nm reveals a photoisomerization of the co-ligand from the trans to the cis form.
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Affiliation(s)
- Jennifer Klose
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Tobias Severin
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Peter Hahn
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Alexander Jeremies
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Jens Bergmann
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Daniel Fuhrmann
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
| | - Jan Griebel
- Leibniz-Institut für Oberflächenmodifizierung e. V., Abteilung Funktionale Oberflächen, D-04318 Leipzig, Germany
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, D-04103 Leipzig, Germany
| | - Bernd Abel
- Leibniz-Institut für Oberflächenmodifizierung e. V., Abteilung Funktionale Oberflächen, D-04318 Leipzig, Germany
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, D-04103 Leipzig, Germany
| | - Berthold Kersting
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany, Fax: +49(0)341-97-36199
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Grandane A, Longwitz L, Roolf C, Spannenberg A, Murua Escobar H, Junghanss C, Suna E, Werner T. Intramolecular Base-Free Catalytic Wittig Reaction: Synthesis of Benzoxepinones. J Org Chem 2018; 84:1320-1329. [DOI: 10.1021/acs.joc.8b02789] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aiga Grandane
- Latvian Institute of Organic Synthesis
, Aizkraukles 21, LV-1006, Riga, Latvia
- Leibniz Institute for Catalysis at the University of Rostock
, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany
| | - Lars Longwitz
- Leibniz Institute for Catalysis at the University of Rostock
, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany
| | - Catrin Roolf
- Department of Internal Medicine, Medical Clinic III, Clinic for Hematology, Oncology and Palliative Care, University Medical Center Rostock Ernst-Heydemann-Strasse 6
, 18057 Rostock, Germany
| | - Anke Spannenberg
- Leibniz Institute for Catalysis at the University of Rostock
, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany
| | - Hugo Murua Escobar
- Department of Internal Medicine, Medical Clinic III, Clinic for Hematology, Oncology and Palliative Care, University Medical Center Rostock Ernst-Heydemann-Strasse 6
, 18057 Rostock, Germany
| | - Christian Junghanss
- Department of Internal Medicine, Medical Clinic III, Clinic for Hematology, Oncology and Palliative Care, University Medical Center Rostock Ernst-Heydemann-Strasse 6
, 18057 Rostock, Germany
| | - Edgars Suna
- Latvian Institute of Organic Synthesis
, Aizkraukles 21, LV-1006, Riga, Latvia
| | - Thomas Werner
- Leibniz Institute for Catalysis at the University of Rostock
, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany
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8
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Konrádová D, Kozubíková H, Doležal K, Pospíšil J. Microwave-Assisted Synthesis of Phenylpropanoids and Coumarins: Total Synthesis of Osthol. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701021] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Daniela Konrádová
- Laboratory of Growth Regulators; Palacký University & Institute of Experimental Botany AS CR; Šlechtitelů 27 78371 Olomouc Czech Republic
| | - Hana Kozubíková
- Department of Chemical Biology and Genetics; Centre of the Region Haná for Biotechnological and Agricultural Research; Faculty of Science; Palacký University; Šlechtitelů 27 78371 Olomouc Czech Republic
| | - Karel Doležal
- Laboratory of Growth Regulators; Palacký University & Institute of Experimental Botany AS CR; Šlechtitelů 27 78371 Olomouc Czech Republic
- Department of Chemical Biology and Genetics; Centre of the Region Haná for Biotechnological and Agricultural Research; Faculty of Science; Palacký University; Šlechtitelů 27 78371 Olomouc Czech Republic
| | - Jiří Pospíšil
- Laboratory of Growth Regulators; Palacký University & Institute of Experimental Botany AS CR; Šlechtitelů 27 78371 Olomouc Czech Republic
- Department of Chemical Biology and Genetics; Centre of the Region Haná for Biotechnological and Agricultural Research; Faculty of Science; Palacký University; Šlechtitelů 27 78371 Olomouc Czech Republic
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9
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Truax NJ, Banales Mejia F, Kwansare DO, Lafferty MM, Kean MH, Pelkey ET. Synthesis of Benzo[a]carbazoles and an Indolo[2,3-a]carbazole from 3-Aryltetramic Acids. J Org Chem 2016; 81:6808-15. [DOI: 10.1021/acs.joc.6b01072] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nathanyal J. Truax
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
| | - Fernando Banales Mejia
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
| | - Deborah O. Kwansare
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
| | - Megan M. Lafferty
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
| | - Maeve H. Kean
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
| | - Erin T. Pelkey
- Department of Chemistry, Hobart and William Smith Colleges, Geneva, New York 14456, United States
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10
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Zasukha SV, Novak OV, Guzyr OI, Shermolovich YG. The first synthesis of chiral dialkylamines with α,α-difluoroethers fragments. J Fluor Chem 2016. [DOI: 10.1016/j.jfluchem.2016.03.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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11
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Singh MS, Chowdhury S, Koley S. Progress in 1,3-dipolar cycloadditions in the recent decade: an update to strategic development towards the arsenal of organic synthesis. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.031] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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12
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Porubský M, Tenora L, Potáček M. 1,3-Dipolar Cycloaddition in the Preparation of New Fused Heterocyclic Compounds via Thermal Initiation. Molecules 2016; 21:molecules21020187. [PMID: 26861268 PMCID: PMC6273826 DOI: 10.3390/molecules21020187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/22/2016] [Accepted: 01/29/2016] [Indexed: 11/25/2022] Open
Abstract
This paper describes the synthesis of precursors with a benzo[b]furan skeleton for the intramolecular 1,3-dipolar cycloaddition of azomethine ylides prepared from N-substituted 3-allyl-aminobenzo[b]furan-2-aldehydes and secondary amines derived from α-amino acid esters. Reactions were initiated by heating. The products consisted of four fused rings with three stereogenic centers. Their structure and stereochemistry were determined by NMR spectra and X-ray measurements.
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Affiliation(s)
- Martin Porubský
- Department of Chemistry, Masaryk University, Kotlářská 2, Brno 611-37, Czech Republic.
| | - Lukáš Tenora
- Department of Chemistry, Masaryk University, Kotlářská 2, Brno 611-37, Czech Republic.
| | - Milan Potáček
- Department of Chemistry, Masaryk University, Kotlářská 2, Brno 611-37, Czech Republic.
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Costa PRR, Sansano JM, Cossío U, Barcellos JCF, Dias AG, Nájera C, Arrieta A, de Cózar A, Cossío FP. Synthesis of Chromen[4,3-b]pyrrolidines by Intramolecular 1,3-Dipolar Cycloadditions of Azomethine Ylides: An Experimental and Computational Assessment of the Origin of Stereocontrol. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500434] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Affiliation(s)
- Navjeet Kaur
- Department of Chemistry, Banasthali University, Banasthali, Rajasthan, India
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15
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Sun H, Navarro C, Hunter CA. Influence of non-covalent preorganization on supramolecular effective molarities. Org Biomol Chem 2015; 13:4981-92. [DOI: 10.1039/c5ob00231a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Formation of H-bonding interactions, which restrict the conformational mobility of a flexible linker, have no effect on chelate cooperativity in a family of porphyrin-pyridine complexes.
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Affiliation(s)
- Hongmei Sun
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
| | - Cristina Navarro
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
- Department of Chemistry
| | - Christopher A. Hunter
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
- Department of Chemistry
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Ghandi M, Kia MA, Sadeghzadegh M, Bozcheloei AH, Kubicki M. Diastereoselective Synthesis of Novel Pyrrolidine or Pyrrolizine-Fused Benzo-δ-sultams via 1,3-Dipolar Cycloadditions. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2024] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mehdi Ghandi
- School of Chemistry, College of Science; University of Tehran; Tehran P.O. Box: 14155 6455 Iran
| | - Maryam Asle Kia
- School of Chemistry, College of Science; University of Tehran; Tehran P.O. Box: 14155 6455 Iran
| | | | | | - Maciej Kubicki
- Faculty of Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
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17
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Microwave-assisted facile synthesis of [a]-annelated pyrazolopyrroloindoles via intramolecular azomethine imine 1,3-dipolar cycloaddition. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.03.134] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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18
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Saravanan T, Jana S, Chadha A. Utilization of whole cell mediated deracemization in a chemoenzymatic synthesis of enantiomerically enriched polycyclic chromeno[4,3-b] pyrrolidines. Org Biomol Chem 2014; 12:4682-90. [DOI: 10.1039/c4ob00615a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zhou Y, Zhu Y, Yan S, Gong Y. Copper-Catalyzed Enantioselective Henry Reaction of Enals and Subsequent Iodocyclization: Stereoselective Construction of Chiral Azatricyclic Frameworks. Angew Chem Int Ed Engl 2013; 52:10265-9. [DOI: 10.1002/anie.201305148] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Indexed: 11/08/2022]
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20
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Zhou Y, Zhu Y, Yan S, Gong Y. Copper-Catalyzed Enantioselective Henry Reaction of Enals and Subsequent Iodocyclization: Stereoselective Construction of Chiral Azatricyclic Frameworks. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305148] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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21
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Recher M, Barboza AP, Li ZH, Galizzi M, Ferrer-Casal M, Szajnman SH, Docampo R, Moreno SNJ, Rodriguez JB. Design, synthesis and biological evaluation of sulfur-containing 1,1-bisphosphonic acids as antiparasitic agents. Eur J Med Chem 2012; 60:431-40. [PMID: 23318904 DOI: 10.1016/j.ejmech.2012.12.015] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Revised: 12/06/2012] [Accepted: 12/10/2012] [Indexed: 10/27/2022]
Abstract
As part of our efforts aimed at searching for new antiparasitic agents, 2-alkylmercaptoethyl-1,1-bisphosphonate derivatives were synthesized and evaluated against Trypanosoma cruzi, the etiologic agent of Chagas disease, and Toxoplasma gondii, the responsible agent for toxoplasmosis. Many of these sulfur-containing bisphosphonates were potent inhibitors against the intracellular form of T. cruzi, the clinically more relevant replicative form of this parasite, and tachyzoites of T. gondii targeting T. cruzi or T. gondii farnesyl diphosphate synthases (FPPSs), which constitute valid targets for the chemotherapy of these parasitic diseases. Interestingly, long chain length sulfur-containing bisphosphonates emerged as relevant antiparasitic agents. Taking compounds 37, 38, and 39 as representative members of this class of drugs, they exhibited ED(50) values of 15.8 μM, 12.8 μM, and 22.4 μM, respectively, against amastigotes of T. cruzi. These cellular activities matched the inhibition of the enzymatic activity of the target enzyme (TcFPPS) having IC(50) values of 6.4 μM, 1.7 μM, and 0.097 μM, respectively. In addition, these compounds were potent anti-Toxoplasma agents. They had ED(50) values of 2.6 μM, 1.2 μM, and 1.8 μM, respectively, against T. gondii tachyzoites, while they exhibited a very potent inhibitory action against the target enzyme (TgFPPS) showing IC(50) values of 0.024 μM, 0.025 μM, and 0.021 μM, respectively. Bisphosphonates bearing a sulfoxide unit at C-3 were also potent anti-Toxoplasma agents, particularly those bearing long aliphatic chains such as 43-45, which were also potent antiproliferative drugs against tachyzoites of T. gondii. These compounds inhibited the enzymatic activity of the target enzyme (TgFPPS) at the very low nanomolar range. These bisphosphonic acids have very good prospective not only as lead drugs but also as potential chemotherapeutic agents.
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Affiliation(s)
- Marion Recher
- Departamento de Química Orgánica and UMYMFOR (CONICET-FCEyN), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
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Ghandi M, Taheri A, Hasani Bozcheloei A, Abbasi A, Kia R. Synthesis of novel tricyclic and tetracyclic sultone scaffolds via intramolecular 1,3-dipolar cycloaddition reactions. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.053] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Wang H, Luo J, Han X, Lu Y. Enantioselective Synthesis of Chromanones via a Tryptophan- Derived Bifunctional Thiourea-Catalyzed Oxa-Michael-Michael Cascade Reaction. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100419] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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V. Srinivasan K, K. Chaskar P, N. Dighe S, S. Rane D, V. Khade P, S. Jain K. Microwave Assisted Synthesis of Fused Heterocyclic Compounds. HETEROCYCLES 2011. [DOI: 10.3987/rev-11-696] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Kudale AA, Miller DO, Dawe LN, Bodwell GJ. Intramolecular Povarov reactions involving 3-aminocoumarins. Org Biomol Chem 2011; 9:7196-206. [DOI: 10.1039/c1ob05867c] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Lu Y, Geib SJ, Damodaran K, Sui B, Zhang Z, Curran DP, Zhang W. Fluorous diastereomeric mixture synthesis (FDMS) of hydantoin-fused hexahydrochromeno[4,3-b]pyrroles. Chem Commun (Camb) 2010; 46:7578-80. [DOI: 10.1039/c0cc01967d] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Li N, Song J, Tu XF, Liu B, Chen XH, Gong LZ. Organocatalytic asymmetric intramolecular [3+2] cycloaddition: A straightforward approach to access multiply substituted hexahydrochromeno[4,3-b]pyrrolidine derivatives in high optical purity. Org Biomol Chem 2010; 8:2016-9. [DOI: 10.1039/c002369h] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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29
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Pineiro M, Pinho e Melo TMVD. Microwave‐Assisted 1,3‐Dipolar Cycloaddition: an Eco‐Friendly Approach to Five‐Membered Heterocycles. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900644] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Marta Pineiro
- Department of Chemistry, University of Coimbra, 3004‐535 Coimbra, Portugal, Fax: +351‐239827703
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Burrell AJM, Coldham I, Watson L, Oram N, Pilgram CD, Martin NG. Stereoselective formation of fused tricyclic amines from acyclic aldehydes by a cascade process involving condensation, cyclization, and dipolar cycloaddition. J Org Chem 2009; 74:2290-300. [PMID: 18998734 DOI: 10.1021/jo8019913] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The preparation of tricyclic amines from acyclic precursors is described using a cascade of tandem reactions involving condensation of an aldehyde with a primary amine, cyclization (with displacement of a halide), and then in situ deprotonation or decarboxylation to give an azomethine ylide or nitrone followed by intramolecular dipolar cycloaddition. The methodology is straightforward, and the aldehyde precursors are prepared easily and quickly in high yield using nitrile alkylations followed by DIBAL-H reduction. The relative ease of reaction of various substrates with different tether lengths between the aldehyde and the halide or dipolarophile has been studied. Several primary amines including simple amino acids such as glycine, alanine, and phenylalanine and derivatives such as glycine ethyl ester and also hydroxylamine have been investigated. High yields are obtained in the formation of different tricyclic ring sizes; the dipolar cycloaddition necessarily creates a five-membered ring, and we have investigated the formation of five- and six-membered rings for the other two new ring sizes. In all cases, yields are high (except when using glycine when the tether to the terminal alkene dipolarophile leads to a six-membered ring), and most efficient is the formation of the tricyclic product in which all five-membered rings are formed. Examples with an alkyne as the dipolarophile were also successful. In all the reactions studied, the products are formed with complete regioselectivity and remarkably with complete stereoselectivity. The key step involves the formation of three new rings and potentially up to four new stereocenters in a single transformation. The power of the chemistry was demonstrated by the synthesis of the core ring systems of the alkaloids (+/-)-scandine and (+/-)-myrioneurinol and the total syntheses of the alkaloids (+/-)-aspidospermine, (+/-)-quebrachamine, and (+/-)-aspidospermidine.
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Affiliation(s)
- Adam J M Burrell
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, UK
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Candeias NR, Branco LC, Gois PMP, Afonso CAM, Trindade AF. More Sustainable Approaches for the Synthesis of N-Based Heterocycles. Chem Rev 2009; 109:2703-802. [DOI: 10.1021/cr800462w] [Citation(s) in RCA: 292] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nuno R. Candeias
- Centro de Química-Física Molecular (CQFM) and Institute of Nanosciences and Nanotechnology (IN), Departamento de Engenharia Química e Biológica, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal, and iMed.UL, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Luís C. Branco
- Centro de Química-Física Molecular (CQFM) and Institute of Nanosciences and Nanotechnology (IN), Departamento de Engenharia Química e Biológica, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal, and iMed.UL, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Pedro M. P. Gois
- Centro de Química-Física Molecular (CQFM) and Institute of Nanosciences and Nanotechnology (IN), Departamento de Engenharia Química e Biológica, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal, and iMed.UL, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Carlos A. M. Afonso
- Centro de Química-Física Molecular (CQFM) and Institute of Nanosciences and Nanotechnology (IN), Departamento de Engenharia Química e Biológica, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal, and iMed.UL, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Alexandre F. Trindade
- Centro de Química-Física Molecular (CQFM) and Institute of Nanosciences and Nanotechnology (IN), Departamento de Engenharia Química e Biológica, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal, and iMed.UL, Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
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Jiang D, Wang YY, Xu YN, Dai LY. Ring-Opening of Cyclic Anhydrides using Ionic Liquids. JOURNAL OF CHEMICAL RESEARCH 2009. [DOI: 10.3184/030823409x417298] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Four novel Brønsted acidic ionic liquids with two different acid sites on the imidazolium cations were synthesised and employed as catalysts and solvents for the ring-opening of cyclic anhydrides to synthesise half-esters. The results showed that these novel Brønsted acidic ionic liquids were efficient and recyclable. Good yields, short reaction times and mild reaction conditions were achieved.
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Affiliation(s)
- Dong Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, P.R. China
| | - Yuan Yuan Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, P.R. China
| | - Yan Nan Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, P.R. China
| | - Li Yi Dai
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, P.R. China
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Cascade cyclization intermolecular dipolar cycloaddition by multi-component couplings—synthesis of indolizidines and pyrrolizidines. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.07.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Kranjc K, Kocevar M. Enhancing a Neat Microwave-Assisted Transformation. Diels–Alder Reaction of 2H-Pyran-2-ones toward Fused Bicyclo[2.2.2]octenes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.2001] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Neuschl M, Bogdal D, Potacek M. Microwave-assisted synthesis of substituted hexahydro-pyrrolo[3,2-c]quinolines. Molecules 2007; 12:49-59. [PMID: 17693952 PMCID: PMC6149385 DOI: 10.3390/12010049] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2006] [Accepted: 01/23/2007] [Indexed: 11/17/2022] Open
Abstract
New compounds with the ethyl hexahydro-1H-pyrrolo[3,2-c]quinoline-2-carboxylate skeleton were prepared by microwave-assisted intramolecular 1,3-dipolar cycloaddition reactions. The reactions were carried out under solvent-free conditions and compared with the same reaction in the presence of a solvent and a catalyst. Steric effects on the selectivity of the reaction were noted and evaluated.
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Affiliation(s)
- Michal Neuschl
- Department of Organic Chemistry, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic
| | - Darek Bogdal
- Faculty of Chemical Engineering and Technology, Politechnika Krakowska, Warszawska 24, 31-155 Krakow, Poland, E-mail:
| | - Milan Potacek
- Department of Organic Chemistry, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic
- Author to whom correspondence should be addressed; E-mail:
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